//
//  SceneDelegate.swift
//  QFIM
//
//  Created by wxc on 2020/10/23.
//

import UIKit

class SceneDelegate: UIResponder, UIWindowSceneDelegate {

    var window: UIWindow?


    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
        // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
        // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
        // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
        self.window = UIWindow.init(windowScene: scene as! UIWindowScene)
        self.didInitWindow()
    }

    func sceneDidDisconnect(_ scene: UIScene) {
        // Called as the scene is being released by the system.
        // This occurs shortly after the scene enters the background, or when its session is discarded.
        // Release any resources associated with this scene that can be re-created the next time the scene connects.
        // The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
    }

    func sceneDidBecomeActive(_ scene: UIScene) {
        // Called when the scene has moved from an inactive state to an active state.
        // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
    }

    func sceneWillResignActive(_ scene: UIScene) {
        // Called when the scene will move from an active state to an inactive state.
        // This may occur due to temporary interruptions (ex. an incoming phone call).
    }

    func sceneWillEnterForeground(_ scene: UIScene) {
        // Called as the scene transitions from the background to the foreground.
        // Use this method to undo the changes made on entering the background.
    }

    func sceneDidEnterBackground(_ scene: UIScene) {
        // Called as the scene transitions from the foreground to the background.
        // Use this method to save data, release shared resources, and store enough scene-specific state information
        // to restore the scene back to its current state.

        // Save changes in the application's managed object context when the application transitions to the background.
        (UIApplication.shared.delegate as? AppDelegate)?.saveContext()
    }

    // MARK: -
    
    func didInitWindow() -> Void {
        self.window?.rootViewController = self.generateWindowRootViewController()
        self.window?.makeKeyAndVisible()
        self.startLaunchingAnimation()
    }
    
    func generateWindowRootViewController() -> UIViewController {
        
        let tabBarViewController = QDTabBarViewController.init()
        
        let home = HomeViewController.init()
        let homeNav = QDNavigationController.init(rootViewController: home)
        let homeItem = UITabBarItem.init(title: "首页", image: UIImage.init(named: "yangtuo"), tag: 1)
        homeItem.selectedImage = UIImage.init(named: "rabbit")
        homeNav.tabBarItem = homeItem
        AddAccessibilityHint(homeNav.tabBarItem, "首页")
        
        let found = FoundViewController.init()
        let foundNav = QDNavigationController.init(rootViewController: found)
        let foundItem = UITabBarItem.init(title: "发现", image: UIImage.init(named: "dog"), tag: 2)
        foundItem.selectedImage = UIImage.init(named: "DOG-6")
        foundNav.tabBarItem = foundItem
        AddAccessibilityHint(foundNav.tabBarItem, "发现")
        
        let chat = ChatViewController.init()
        let chatNav = QDNavigationController.init(rootViewController: chat)
        let chatItem = UITabBarItem.init(title: "聊天", image: UIImage.init(named: "cat"), tag: 3)
        chatItem.selectedImage = UIImage.init(named: "dog-7")
        chatNav.tabBarItem = chatItem
        AddAccessibilityHint(chatNav.tabBarItem, "聊天")
        
        let mine = ChatViewController.init()
        let mineNav = QDNavigationController.init(rootViewController: mine)
        let mineItem = UITabBarItem.init(title: "我的", image: UIImage.init(named: "cow"), tag: 4)
        mineItem.selectedImage = UIImage.init(named: "rabbit")
        mineNav.tabBarItem = mineItem
        AddAccessibilityHint(mineNav.tabBarItem, "我的")
        
        tabBarViewController.viewControllers = [homeNav,foundNav,chatNav,mineNav]
        return tabBarViewController
    }
    
    func startLaunchingAnimation() -> Void {
        
    }
}

